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* subversion/libsvn_ra_serf/commit.c
  (get_version_url): explain what the function does and how it works.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion